package test;


import java.util.*;
import java.util.concurrent.LinkedBlockingDeque;

/**
 * description:
 * author:zt
 * date:2021-09-05
 */
public class Main1 {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        String a = "a";
        solve(a, a += "b");
        System.out.println(a);
        System.out.println(wordToInt("CMB")-wordToInt("CLZ"));
        String x = "zxcvbnm";
        char[] c = x.toCharArray();
        Arrays.sort(c);
        for (int i = 0; i < c.length; i++) {
            System.out.print(c[i]);
        }
    }

    public static void solve(String num,String b){
        System.out.println(num);
        System.out.println(b);
    }

    public static int wordToInt(String word){
        char[] c = word.toCharArray();
        int res = 0;
        for (int i = c.length - 1; i >= 0; i--) {
            res += (c[i]-'A') * Math.pow(26,c.length-1-i);
        }
        return res;
    }
}
